//
// AWS Manager - A free AWS console application demonstrating advanced concepts
// Copyright (C) 2008-2010 Sean O'Dell. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
/*
 * EBSCreateVolFromSnap.java
 *
 * Created on Aug 10, 2008, 7:02:51 PM
 */
package awsmanager;

import com.awsmanager.common.EBSSnapshot;
import com.sun.data.provider.RowKey;
import com.sun.rave.web.ui.appbase.AbstractPageBean;
import com.sun.webui.jsf.component.DropDown;
import com.sun.webui.jsf.component.PageAlert;
import com.sun.webui.jsf.component.TabSet;
import com.sun.webui.jsf.component.TextField;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import javax.faces.FacesException;
import javax.faces.component.html.HtmlInputTextarea;
import javax.faces.event.ValueChangeEvent;

/**
 * <p>Page bean that corresponds to a similarly named JSP page.  This
 * class contains component definitions (and initialization code) for
 * all components that you have defined on this page, as well as
 * lifecycle methods and event handlers where you may add behavior
 * to respond to incoming events.</p>
 *
 * @author Sean ODell
 */
public class EBSCreateVolFromSnap extends AbstractPageBean {
    // <editor-fold defaultstate="collapsed" desc="Managed Component Definition">

    /**
     * <p>Automatically managed component initialization.  <strong>WARNING:</strong>
     * This method is automatically generated, so any user-specified code inserted
     * here is subject to being replaced.</p>
     */
    private void _init() throws Exception {
    }
    private HtmlInputTextarea ta_SnapshotsSelected = new HtmlInputTextarea();

    public HtmlInputTextarea getTa_SnapshotsSelected() {
        return ta_SnapshotsSelected;
    }

    public void setTa_SnapshotsSelected(HtmlInputTextarea hit) {
        this.ta_SnapshotsSelected = hit;
    }
    private TextField tf_EBSVol_Count = new TextField();

    public TextField getTf_EBSVol_Count() {
        return tf_EBSVol_Count;
    }

    public void setTf_EBSVol_Count(TextField tf) {
        this.tf_EBSVol_Count = tf;
    }
    private TextField tf_EBSVol_Size = new TextField();

    public TextField getTf_EBSVol_Size() {
        return tf_EBSVol_Size;
    }

    public void setTf_EBSVol_Size(TextField tf) {
        this.tf_EBSVol_Size = tf;
    }
    private DropDown dd_EBSVol_Zone = new DropDown();

    public DropDown getDd_EBSVol_Zone() {
        return dd_EBSVol_Zone;
    }

    public void setDd_EBSVol_Zone(DropDown dd) {
        this.dd_EBSVol_Zone = dd;
    }

    // </editor-fold>
    /**
     * <p>Construct a new Page bean instance.</p>
     */
    public EBSCreateVolFromSnap() {
    }

    /**
     * <p>Callback method that is called whenever a page is navigated to,
     * either directly via a URL, or indirectly via page navigation.
     * Customize this method to acquire resources that will be needed
     * for event handlers and lifecycle methods, whether or not this
     * page is performing post back processing.</p>
     * 
     * <p>Note that, if the current request is a postback, the property
     * values of the components do <strong>not</strong> represent any
     * values submitted with this request.  Instead, they represent the
     * property values that were saved for this view when it was rendered.</p>
     */
    @Override
    public void init() {
        // Perform initializations inherited from our superclass
        super.init();
        // Perform application initialization that must complete
        // *before* managed components are initialized
        // TODO - add your own initialiation code here

        // <editor-fold defaultstate="collapsed" desc="Managed Component Initialization">
        // Initialize automatically managed components
        // *Note* - this logic should NOT be modified
        try {
            _init();
        } catch (Exception e) {
            log("EBSCreateVolFromSnap Initialization Failure", e);
            throw e instanceof FacesException ? (FacesException) e : new FacesException(e);
        }

    // </editor-fold>
    // Perform application initialization that must complete
    // *after* managed components are initialized
    // TODO - add your own initialization code here
    }

    /**
     * <p>Callback method that is called after the component tree has been
     * restored, but before any event processing takes place.  This method
     * will <strong>only</strong> be called on a postback request that
     * is processing a form submit.  Customize this method to allocate
     * resources that will be required in your event handlers.</p>
     */
    @Override
    public void preprocess() {
    }

    /**
     * <p>Callback method that is called just before rendering takes place.
     * This method will <strong>only</strong> be called for the page that
     * will actually be rendered (and not, for example, on a page that
     * handled a postback and then navigated to a different page).  Customize
     * this method to allocate resources that will be required for rendering
     * this page.</p>
     */
    @Override
    public void prerender() {

        String strcreateVolsFromSnapsList = new String();
        String strSnapRef = new String();

        Map createVolsFromSnapsInfo = new HashMap(getSessionBean1().getCreateVolsFromSnapsInfo());
        ArrayList createVolsFromSnapsList = new ArrayList((ArrayList) createVolsFromSnapsInfo.get("snapsRowKeys"));

        for (int i = 0; i < createVolsFromSnapsList.size(); i++) {
            if (i > 0) {
                strcreateVolsFromSnapsList = strcreateVolsFromSnapsList + "\n";
            }
            EBSSnapshot ebsSnapshot = getSessionBean1().getEBSSnapshotDataProvider().getSnapshot((RowKey) createVolsFromSnapsList.get(i));
            strSnapRef = ebsSnapshot.getsnapshotId().toString();

            if (ebsSnapshot.getsnapname() != null) {
                if (!ebsSnapshot.getsnapname().equals("")) {
                    strSnapRef = strSnapRef + " (" + ebsSnapshot.getsnapname() + ")";
                }
            }
            if (strSnapRef.length() > 60) {
                strSnapRef = strSnapRef.substring(0, 56) + "...)";
            }
            strcreateVolsFromSnapsList = strcreateVolsFromSnapsList + strSnapRef;
        }
        ta_SnapshotsSelected.setValue(strcreateVolsFromSnapsList);
        ta_SnapshotsSelected.setReadonly(true);

    }

    /**
     * <p>Callback method that is called after rendering is completed for
     * this request, if <code>init()</code> was called (regardless of whether
     * or not this was the page that was actually rendered).  Customize this
     * method to release resources acquired in the <code>init()</code>,
     * <code>preprocess()</code>, or <code>prerender()</code> methods (or
     * acquired during execution of an event handler).</p>
     */
    @Override
    public void destroy() {
    }

    /**
     * <p>Return a reference to the scoped data bean.</p>
     *
     * @return reference to the scoped data bean
     */
    protected SessionBean1 getSessionBean1() {
        return (SessionBean1) getBean("SessionBean1");
    }

    /**
     * <p>Return a reference to the scoped data bean.</p>
     *
     * @return reference to the scoped data bean
     */
    protected ApplicationBean1 getApplicationBean1() {
        return (ApplicationBean1) getBean("ApplicationBean1");
    }

    /**
     * <p>Return a reference to the scoped data bean.</p>
     *
     * @return reference to the scoped data bean
     */
    protected RequestBean1 getRequestBean1() {
        return (RequestBean1) getBean("RequestBean1");
    }

    public void tf_EBSVol_Size_processValueChange(ValueChangeEvent event) {
    }

    public String createVolume_action() {
        // TODO: Process the action. Return value is a navigation
        // case name where null will return to the same page.

        String strSnapRef = new String();
        Map createVolsFromSnapsInfo = new HashMap(getSessionBean1().getCreateVolsFromSnapsInfo());
        ArrayList createVolsFromSnapsList = new ArrayList((ArrayList) createVolsFromSnapsInfo.get("snapsRowKeys"));

        Integer numVolumes = 0;
        try {
            numVolumes = new Integer((String) tf_EBSVol_Count.getText());
        } catch (NumberFormatException e) {
            numVolumes = 0;
        }
        if (numVolumes <= 0) {
            info("Volume count must be an integer greater then 0.");
            return null;
        }

        Integer volSize = 0;
        String strvolSize = new String();

        if (tf_EBSVol_Size.getText() != null) {
            if (!tf_EBSVol_Size.getText().equals("")) {
                try {
                    volSize = new Integer((String) tf_EBSVol_Size.getText());
                } catch (NumberFormatException e) {
                    volSize = 0;
                }
                if ((volSize <= 0) || (volSize > 1025)) {
                    String strinfo = new String();
                    strinfo = strinfo + "Volume size must be an integer greater then 0 and less than or equal to 1024.\n";
                    strinfo = strinfo + "Leave volume size field blank to create volumes with same size as snapshot.\n";
                    info(strinfo);
                    return null;
                }
            }
        }

        if (volSize == 0) {
            strvolSize = "";
        } else {
            strvolSize = volSize.toString();
        }

        String zone = (String) dd_EBSVol_Zone.getValue();

        String detailMessage = new String();
        detailMessage = detailMessage + "Number of volumes for each snapshot: " + numVolumes + "\n";
        detailMessage = detailMessage + "Volume size                        : " + strvolSize + "\n";
        detailMessage = detailMessage + "Availability Zone                  : " + zone + "\n";
        detailMessage = detailMessage + "Snapshots:\n";

        for (int i = 0; i < createVolsFromSnapsList.size(); i++) {
            if (i > 0) {
                detailMessage = detailMessage + "\n";
            }
            EBSSnapshot ebsSnapshot = getSessionBean1().getEBSSnapshotDataProvider().getSnapshot((RowKey) createVolsFromSnapsList.get(i));
            strSnapRef = ebsSnapshot.getsnapshotId().toString();

            if (ebsSnapshot.getsnapname() != null) {
                if (!ebsSnapshot.getsnapname().equals("")) {
                    strSnapRef = strSnapRef + " (" + ebsSnapshot.getsnapname() + ")";
                }
            }
            if (strSnapRef.length() > 60) {
                strSnapRef = strSnapRef.substring(0, 56) + "...)";
            }
            detailMessage = detailMessage + "  " + strSnapRef;
        }

        createVolsFromSnapsInfo = new HashMap();

        createVolsFromSnapsInfo.put("volCount", numVolumes);
        createVolsFromSnapsInfo.put("volSize", strvolSize);
        createVolsFromSnapsInfo.put("volZone", zone);
        createVolsFromSnapsInfo.put("snapsRowKeys", createVolsFromSnapsList);

        getSessionBean1().setCreateVolsFromSnapsInfo(createVolsFromSnapsInfo);

        PageAlert questionAlert = new PageAlert();
        questionAlert.setType("information");
        questionAlert.setTitle(" " + "Volumes will be created!");
        questionAlert.setDetail("Volumes will be created with the parameters listed below.");
        questionAlert.setSummary("Please press Continue to create volumes.\nUse the scroll bar, if available, to view all.");

        getSessionBean1().setPageAlertAWSActionType("createVolsFromSnaps");
        getSessionBean1().setPageAlertDetailMessage(detailMessage);
        getSessionBean1().setUserPageAlert(questionAlert);
        getSessionBean1().setUserVisibleContinueBtn(true);
        getSessionBean1().setUserVisibleConnectBtn(false);
        return "createVolsFromSnaps";
    }

    public String cancelBtn_action() {
        // TODO: Process the action. Return value is a navigation
        // case name where null will return to the same page.        
        TabSet tabSet = getSessionBean1().getCurrentTabSet();
        if (tabSet != null) {
            tabSet.setSelected("EBS_Snapshots");
            getSessionBean1().setCurrentTabSet(tabSet);
            getSessionBean1().setUserVisibleCloneMetadataFromSnap(false);
        }
        return "cancel";
    }
}

